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INTERNATIONAL DEVELOPMENT RESEARCH CENTER ; AQUACULTURE DEPARTMENT ; International workshop on pen and cage culture of fish, Tigbauan, Philippines, 02 -1979 (1979; PHL) | SAFDC, Canada : IDRC | 1979With the increasing demand for food and the importance of improved environmental sanitation of waters, the use of cages for fish production srve a dual purpose. efficiency can only be ensured where water quality is of a tolerable level for fish [...]
